Moed Kata Perek 3
Moed Katan3: 1
וְאֵלּוּ מְגַלְּחִין בַּמּוֹעֵד: הַבָּא מִמְּדִינַת הַיָּם, וּמִבֵּית הַשִּׁבְיָה, וְהַיּוֹצֵא מִבֵּית הָאֲסוּרִין, וְהַמְנֻדֶּה שֶׁהִתִּירוּ לוֹ חֲכָמִים, וְכֵן מִי שֶׁנִּשְׁאַל לְחָכָם וְהֻתַּר, וְהַנָּזִיר, וְהַמְּצֹרָע הָעוֹלֶה מִטֻּמְאָתוֹ לְטָהֳרָתוֹ.
These [people] may cut their hair during [Chol] HaMoed: One who arrived from abroad; [was released] from captivity; left prison; or the excommunicate whose ban was lifted by the sages. Similarly, one who applied to a sage and had been released [from his vow]; the nazir or the metzora who returns from [a state of] contamination to [a state of] purity.
Moed Katan3: 2
וְאֵלּוּ מְכַבְּסִין בַּמּוֹעֵד: הַבָּא מִמְּדִינַת הַיָּם, וּמִבֵּית הַשִּׁבְיָה, וְהַיּוֹצֵא מִבֵּית הָאֲסוּרִים, וְהַמְנֻדֶּה שֶׁהִתִּירוּ לוֹ חֲכָמִים, וְכֵן מִי שֶׁנִּשְׁאַל לְחָכָם וְהֻתַּר;  מִטְפְּחוֹת הַיָּדַיִם וּמִטְפְּחוֹת הַסַּפָּרִים וּמִטְפְּחוֹת הַסְּפָג;  הַזָּבִין וְהַזָּבוֹת וְהַנִּדּוֹת וְהַיּוֹלְדוֹת, וְכָל הָעוֹלִין מִטֻּמְאָה לְטָהֳרָה — הֲרֵי אֵלּוּ מֻתָּרִין, וּשְׁאָר כָּל אָדָם — אֲסוּרִין.
And these [people] may launder [their clothing] during [Chol] HaMoed: One who arrived from abroad; [was released] from captivity; left prison; or the excommunicate whose ban was lifted by sages. Similarly, one who applied to a sage and was released [from his vow].  Hand towels, barbers' cloths, and bath towels [may also be laundered].  Zavim, zavos, menstruants, women who have given birth, and all who return from [a state of] contamination to [a state of] purity, these are permitted [to launder their clothing], but all others are forbidden.
Moed Katan3: 3
וְאֵלּוּ כּוֹתְבִין בַּמּוֹעֵד: קִדּוּשֵׁי נָשִׁים, גִּטִּין וְשׁוֹבָרִין, דְּיַתִּיקִי, מַתָּנָה, וּפְרוֹזְבּוּלִין, אִגְּרוֹת שׁוּם וְאִגְּרוֹת מָזוֹן, שְׁטָרֵי חֲלִיצָה וּמֵאוּנִים, וּשְׁטָרֵי בֵרוּרִין, וּגְזֵרוֹת בֵּית דִּין, וְאִגְּרוֹת שֶׁל רָשׁוּת.
And these [documents] may be written during [Chol] HaMoed: Instruments of betrothal, divorces, receipts, testaments, gifts, prozbulin, evaluation documents, support documents, chalitzah certificates, refusals, selection contracts, court edicts, and government documents.
Moed Katan3: 4
אֵין כּוֹתְבִין שְׁטָרֵי חוֹב בַּמּוֹעֵד. וְאִם אֵינוֹ מַאֲמִינוֹ, אוֹ שֶׁאֵין לוֹ מַה יֹּאכַל — הֲרֵי זֶה יִכְתֹּב.  אֵין כּוֹתְבִין סְפָרִים, תְּפִלִּין וּמְזוּזוֹת בַּמּוֹעֵד, וְאֵין מַגִּיהִין אוֹת אַחַת, אֲפִלּוּ בְסֵפֶר (עֶזְרָא) [הָעֲזָרָה]. רַבִּי יְהוּדָה אוֹמֵר: כּוֹתֵב אָדָם תְּפִלִּין וּמְזוּזוֹת לְעַצְמוֹ, וְטֹוֶה עַל יְרֵכוֹ תְּכֵלֶת לְצִיצִיתוֹ.
We may not write loan contracts during [Chol] HaMoed. However, if he does not trust him, or if he has nothing to eat, then he may write.  We may not write Books [of Scripture], nor tefillin, nor mezuzos during [Chol] HaMoed. We may not correct a single letter even in the [Torah] scroll of the Temple court. R' Yehudah says: A person may write tefillin or mezuzos for his personal use; and he may spin the blue thread for his tzitzis, on his thigh.
Moed Katan3: 5
הַקּוֹבֵר אֶת מֵתוֹ שְׁלֹשָׁה יָמִים קֹדֶם לָרֶגֶל — בָּטְלָה הֵימֶנּוּ גְּזֵרַת שִׁבְעָה. שְׁמוֹנָה — בָּטְלָה הֵימֶנּוּ גְּזֵרַת שְׁלֹשִׁים, מִפְּנֵי שֶׁאָמְרוּ: שַׁבָּת עוֹלָה וְאֵינָהּ מַפְסֶקֶת, רְגָלִים מַפְסִיקִין וְאֵינָן עוֹלִין.
He who buries his dead [relative] three days before a festival has the edict of seven [days of mourning] annulled. [He who buries his dead relative] eight [days before a festival] has the edict of thirty [days of mourning] annulled. [This is so] because they said: Sabbath is included [in the period of mourning] but does not interrupt [it]. Festivals [however] interrupt but are not included.
Moed Katan3: 6
רַבִּי אֱלִיעֶזֶר אוֹמֵר: מִשֶּׁחָרַב בֵּית הַמִּקְדָּשׁ — עֲצֶרֶת כַּשַּׁבָּת.  רַבָּן גַּמְלִיאֵל אוֹמֵר: רֹאשׁ הַשָּׁנָה וְיוֹם הַכִּפּוּרִים — כָּרְגָלִים.  וַחֲכָמִים אוֹמְרִים: לֹא כְדִבְרֵי זֶה וְלֹא כְדִבְרֵי זֶה; אֶלָּא עֲצֶרֶת — כָּרְגָלִים, רֹאשׁ הַשָּׁנָה וְיוֹם הַכִּפּוּרִים — כַּשַּׁבָּת.
R' Eliezer says: From the time the Temple was destroyed Shavuos is like the Sabbath.  Rabban Gamliel says: Rosh Hashanah and Yom Kippur are like the festivals.  The Sages, however, do not agree with either of the two. Rather, Shavuos is like the festivals; Rosh Hashanah and Yom Kippur are like the Sabbath.
Moed Katan3: 7
אֵין קוֹרְעִין, וְלֹא חוֹלְצִין, וְאֵין מַבְרִין — אֶלָּא קְרוֹבָיו שֶׁל מֵת. וְאֵין מַבְרִין אֶלָּא עַל מִטָּה זְקוּפָה.  אֵין מוֹלִיכִין לְבֵית הָאֵבֶל לֹא בְטַבְלָא, וְלֹא בְאִסְקוּטְלָא, וְלֹא בְקָנוֹן — אֶלָּא בְסַלִּים.  וְאֵין אוֹמְרִים בִּרְכַּת אֲבֵלִים בַּמּוֹעֵד, אֲבָל עוֹמְדִין בַּשּׁוּרָה וּמְנַחֲמִין וּפוֹטְרִין אֶת הָרַבִּים.
Garments may not be rent, shoulders may not be bared, and the mourner's meal may not be served, except by relatives of the deceased. The mourner's meal is only served on a set-up bed.  We may not bring [food] to the house of mourning neither on a tray, nor on a salver, nor in a decorative basket, but only in [plain] baskets.  We do not say the mourner's blessing during [Chol] HaMoed, but we stand in rows and offer consolation. They then dismiss the public.
Moed Katan3: 8
אֵין מַנִּיחִין אֶת הַמִּטָּה בָרְחוֹב, שֶׁלֹּא לְהַרְגִּיל אֶת הַהֶסְפֵּד; וְלֹא שֶׁל נָשִׁים לְעוֹלָם, מִפְּנֵי הַכָּבוֹד.  נָשִׁים בַּמּוֹעֵד מְעַנּוֹת, אֲבָל לֹא מְטַפְּחוֹת. רַבִּי יִשְׁמָעֵאל אוֹמֵר: הַסְּמוּכוֹת לַמִּטָּה — מְטַפְּחוֹת.
We do not set down the bier in the street, so as not to encourage eulogies. [The biers] of women are never [set down], out of respect.  Women may sing dirges during [Chol] HaMoed, but may not clap. R' Yishmael says: Those near the bier may clap.
Moed Katan3: 9
בְּרָאשֵׁי חֳדָשִׁים, בַּחֲנֻכָּה וּבְפוּרִים — מְעַנּוֹת וּמְטַפְּחוֹת בָּזֶה וּבָזֶה, אֲבָל לֹא מְקוֹנְנוֹת.  נִקְבַּר הַמֵּת — לֹא מְעַנּוֹת וְלֹא מְטַפְּחוֹת.  אֵיזֶהוּ עִנּוּי? שֶׁכֻּלָּן עוֹנוֹת כְּאֶחָת; קִינָה? שֶׁאַחַת מְדַבֶּרֶת וְכֻלָּן עוֹנוֹת אַחֲרֶיהָ, שֶׁנֶּאֱמַר: ,,וְלַמֵּדְנָה בְנֹתֵיכֶם נֶהִי, וְאִשָּׁה רְעוּתָהּ קִינָה”.  אֲבָל לֶעָתִיד לָבֹא הוּא אוֹמֵר: ,,בִּלַּע הַמָּוֶת לָנֶצַח, וּמָחָה ה' אֱלֹהִים דִּמְעָה מֵעַל כָּל־פָּנִים וגו'. ”
On Rosh Chodesh, Chanukah, and Purim, [they] may sing dirges and clap on any of these days, but they may not engage in [responsive] wailing.  Once the deceased is buried, they may neither sing dirges, nor clap.  What is meant by dirges? That all lament in unison. [And what is meant by] wailing? That one speaks and all others respond after her; as the verse states: And teach your daughters a lament and each woman [shall teach] her neighbor a wailing.  However, as regards the future, the verse states: He will destroy death forever, and my Lord, Hashem/Elohim, will wipe tears from upon every face [He will remove the shame of His people from the entire earth —- for Hashem has spoken].